Astraciceran: a new isoflavan phytoalexin from Astragalus cicer |
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| Authors: | John L Ingham Paul M Dewick |
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| Institution: | 1. Phytochemical Unit, Department of Botany, University of Reading, Reading, RG6 2AS, U.K.;2. Department of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, U.K. |
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| Abstract: | A new phytoalexin isolated from the fungus-inoculated leaflets of Astragalus cicer has been identified as 7-hydroxy-2′-methoxy-4′,5′-methylenedioxyisoflavan (astraciceran). The synthesis of astraciceran and its 3′,4′-methylenedioxy analogue is described. |
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| Keywords: | Galegeae Leguminosae isoflavonoids isoflavans phytoalexins antifungal activity phenolic compounds synthesis |
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